Dish rack



FIG. 1 is a perspective view of an ornamental design used for a dish rack;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side view from the left of FIG. 2; the other side being identical;

FIG. 4 is a rear view bottom plan view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

I claim the ornamental design for a dish rack, as shown and described. 